These WIFI smart switches are great! I have replaced almost all of the light switches, in my house with GoSound switches and they work great. However, I did just have to replace 2 of them in the past month, after about 3 years. One of them seems to have had a mechanical failure, the switch failed, and the other seemd to have the electronics fail. The first one, that quit working had no indicator light but the second failed switch, appeared to be on, when the switch was pushed the indicator light lit up but did not complete the circuit. (because of that, I almost returned the brand new ceiling fan I purchased from Amazon) If you have an older home, like mine, with cloth insulated wire, the electrical switch/outlet boxes are smaller than the new boxes and it's a bit of a challenge to fit the switch into them, but with patience, I was able to fit them all in. I've coverted my home to a smart home and the biggest thing that separates them from the other brands of smart devices is that they connect and reconnect to the network every time, the first time. I have had quite a few other brands, that don't reconnect after being moved or if the network reboots. This is very irritating, indeed! Perhaps this is because GoSound uses their own app tho control them and they integrate with Alexa flawlessly! As long as the switches don't all start failing now, I'm good! Shoulders that be the case, I will update my review.